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Finding the Third Proportional to 42,246,511.88 and 90,556,207.88

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Solution

The third proportional to 42,246,511.88 and 90,556,207.88 is: 194,108,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,246,511.88 : 90,556,207.88 = 90,556,207.88 : x
  2. Step 2: Convert to fraction form
    42,246,511.88/90,556,207.88 = 90,556,207.88/x
  3. Step 3: Cross multiply
    42,246,511.88x = 90,556,207.88 × 90,556,207.88
  4. Step 4: Simplify right side
    42,246,511.88x = 8,200,426,784,700,212
  5. Step 5: Solve for x
    x = 8,200,426,784,700,212/42,246,511.88
  6. Step 6: Final answer
    x = 194,108,967.13

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.